Silane, trimethyl-2-propenyl-


Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: John E. Bartmess

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Individual Reactions

C6H13Si- + Hydrogen cation = Silane, trimethyl-2-propenyl-

By formula: C6H13Si- + H+ = C6H14Si

Quantity Value Units Method Reference Comment
Δr<380.56 ± 0.90kcal/molG+TSDePuy, Bierbaum, et al., 1980gas phase; More acidic than MeOH. Computations indicate dGacid ca. 367 kcal/mol
Quantity Value Units Method Reference Comment
Δr<374.00kcal/molIMRBDePuy, Bierbaum, et al., 1980gas phase; More acidic than MeOH. Computations indicate dGacid ca. 367 kcal/mol

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C6H14Si+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.85 ± 0.04EIBock and Seidl, 1968RDSH
9.0PEWeidner and Schweig, 1972Vertical value; LLK
9.0PEWeidner and Schweig, 1972, 2Vertical value; LLK

De-protonation reactions

C6H13Si- + Hydrogen cation = Silane, trimethyl-2-propenyl-

By formula: C6H13Si- + H+ = C6H14Si

Quantity Value Units Method Reference Comment
Δr<380.56 ± 0.90kcal/molG+TSDePuy, Bierbaum, et al., 1980gas phase; More acidic than MeOH. Computations indicate dGacid ca. 367 kcal/mol; B
Quantity Value Units Method Reference Comment
Δr<374.00kcal/molIMRBDePuy, Bierbaum, et al., 1980gas phase; More acidic than MeOH. Computations indicate dGacid ca. 367 kcal/mol; B

Mass spectrum (electron ionization)

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin D.HENNEBERG, MAX-PLANCK INSTITUTE, MULHEIM, WEST GERMANY
NIST MS number 63588

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References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

DePuy, Bierbaum, et al., 1980
DePuy, C.H.; Bierbaum, V.M.; Flippin, L.A.; Brabowski, J.J.; King, G.K.; Schmidt, R.J.; Sullivan, S.A., Gas phase reactions of anions with substituted silanes, J. Am. Chem. Soc., 1980, 102, 5012. [all data]

Bock and Seidl, 1968
Bock, H.; Seidl, H., d-Orbitaleffekte in siliziumsubstituierten π-Elektronensystemen. VI. Spektroskopische Untersuchungen an Alkyl- und Silylathylenen, J. Organometal. Chem., 1968, 13, 87. [all data]

Weidner and Schweig, 1972
Weidner, U.; Schweig, A., Theory and application of photoelectron spectroscopy. V. The nature of bonding in vinyl- and allylsilanes: the effects of σ-π (hyperconjugation) pπ-dπ conjugation in these compounds, J. Organomet. Chem., 1972, 39, 261. [all data]

Weidner and Schweig, 1972, 2
Weidner, U.; Schweig, A., Nature of the silicon β-effect in allyltrimethylsilane, Angew. Chem. Int. Ed. Engl., 1972, 11, 146. [all data]


Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References